DATE: 02/10/2005 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 12:21:18 2004 CONFIDENCE INTERVAL DETAIL REPT: PTS428 220/Tarrant VRSN: P 220-905/Fort Worth ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS _________ ________ ___________ _____________ ___________ ___________ _____________ 1 A 2,584,123,443 0.9977 2,590,080,628 98 46,324 2 A 2,581,124,539 1.0208 2,528,531,092 99 25,771 3 A 2,581,193,664 1.0242 2,520,204,710 98 15,850 4 A 2,580,717,320 0.9582 2,693,297,140 100 6,397 5 B 313,483,228 0.8857 353,938,385 29 3,236 6 B 314,681,504 0.9667 325,521,365 9 157 7 B 314,018,143 0.8968 350,154,040 7 60 8 B 311,130,606 0.8911 349,153,413 9 23 9 C 72,706,856 0.8828 82,359,375 12 7,968 10 C 69,632,657 0.8818 78,966,497 12 1,370 11 C 71,394,490 1.0284 69,422,880 7 460 12 C 70,904,694 1.0192 69,568,970 7 113 13 F1 1,027,475,355 0.7983 1,287,079,237 35 3,794 14 F1 1,028,199,308 0.6863 1,498,177,631 24 822 15 F1 1,027,531,129 0.8287 1,239,931,373 6 217 16 F1 1,025,827,566 0.9311 1,101,737,263 7 50 17 L1 592,430,357 1.0559 561,066,727 7 3,265 18 L1 593,430,387 0.9747 608,833,884 8 475 19 L1 598,878,558 1.0265 583,417,981 7 127 20 L1 583,113,545 1.0070 579,060,124 7 24 RANDOM TOTALS: 18,341,997,349 19,470,502,715 588 116,503 CATG D1 EXCEPTION VALUES: 1,483,652 1,357,765 TOTAL TEST VALUES (4): 18,343,481,001 19,471,860,480 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 973,593,024 CONFIDENCE INTERVAL VALUES (5): LOCAL TEST VALUE: 18,343,481,001 (OUTSIDE CONFIDENCE INTERVAL) STATE LOWER LIMIT: 18,498,267,456 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) STATE UPPER LIMIT: 20,445,453,504 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 17,937,375,999 (SEE ISD SUMMARY WORKSHEET) SOURCES: (1) SEE STRATIFIED CATEGORY WORKSHEET REPORTS PTS236, PTS430 (2) NUMBER OF PARCELS SAMPLED BY STAFF (3) TOTAL CATEGORY PARCELS FROM STRATIFICATION REPORT APPRAISAL ROLL, OR SELF-REPORT (4) INCLUDES ANY PARCELS IN A, B, C, D3, F1, G1, G2,OR L1 MARKED AS EXCEPTION PROPERTIES (5) UNSTUDIED CATEGORIES AND SUB-CATEGORIES WERE NOT INCLUDED IN THE CONFIDENCE INTERVAL VALUES
